From ab0b2b28483c57bebc461abde2a3710c09101fb6 Mon Sep 17 00:00:00 2001
From: Andrei Dan <andrei.dan@elastic.co>
Date: Mon, 16 Oct 2023 14:37:08 +0100
Subject: [PATCH] Update spec for the GET _data_stream API

---
 output/schema/schema.json                  | 68 ++++++++++++++++++++--
 output/typescript/types.ts                 |  5 ++
 specification/indices/_types/DataStream.ts | 20 +++++++
 3 files changed, 89 insertions(+), 4 deletions(-)

diff --git a/output/schema/schema.json b/output/schema/schema.json
index 96dd8f1e48..6e828f28c6 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -110079,6 +110079,30 @@
             }
           }
         },
+        {
+          "description": "Name of the lifecycle system that'll manage the next generation of the data stream.",
+          "name": "next_generation_managed_by",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "string",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "Indicates if ILM should take precedence over DSL in case both are configured to managed this data stream.",
+          "name": "prefer_ilm",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        },
         {
           "description": "Array of objects containing information about the data stream’s backing indices.\nThe last item in this array contains information about the stream’s current write index.",
           "name": "indices",
@@ -110197,7 +110221,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L32-L96"
+      "specLocation": "indices/_types/DataStream.ts#L32-L104"
     },
     {
       "kind": "interface",
@@ -110229,9 +110253,45 @@
               "namespace": "_types"
             }
           }
+        },
+        {
+          "description": "Name of the current ILM lifecycle policy configured for this backing index.",
+          "name": "ilm_policy",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "Name",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Name of the lifecycle system that's currently managing this backing index.",
+          "name": "managed_by",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "string",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "Indicates if ILM should take precedence over DSL in case both are configured to manage this index.",
+          "name": "prefer_ilm",
+          "required": true,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L105-L114"
+      "specLocation": "indices/_types/DataStream.ts#L113-L134"
     },
     {
       "description": "Data lifecycle denotes that a data stream is managed by the data stream lifecycle and contains the configuration.",
@@ -110478,7 +110538,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L98-L103"
+      "specLocation": "indices/_types/DataStream.ts#L106-L111"
     },
     {
       "kind": "interface",
@@ -110499,7 +110559,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L116-L118"
+      "specLocation": "indices/_types/DataStream.ts#L136-L138"
     },
     {
       "kind": "interface",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 8f6166c0cc..f01534ec88 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -9658,6 +9658,8 @@ export interface IndicesDataStream {
   generation: integer
   hidden: boolean
   ilm_policy?: Name
+  next_generation_managed_by: string
+  prefer_ilm: boolean
   indices: IndicesDataStreamIndex[]
   lifecycle?: IndicesDataStreamLifecycleWithRollover
   name: DataStreamName
@@ -9671,6 +9673,9 @@ export interface IndicesDataStream {
 export interface IndicesDataStreamIndex {
   index_name: IndexName
   index_uuid: Uuid
+  ilm_policy?: Name
+  managed_by: string
+  prefer_ilm: boolean
 }
 
 export interface IndicesDataStreamLifecycle {
diff --git a/specification/indices/_types/DataStream.ts b/specification/indices/_types/DataStream.ts
index d8df7a6413..031e7dbdb6 100644
--- a/specification/indices/_types/DataStream.ts
+++ b/specification/indices/_types/DataStream.ts
@@ -54,6 +54,14 @@ export class DataStream {
    * NOTE: A data stream’s backing indices may be assigned different lifecycle policies. To retrieve the lifecycle policy for individual backing indices, use the get index settings API.
    */
   ilm_policy?: Name
+  /**
+   * Name of the lifecycle system that'll manage the next generation of the data stream.
+   */
+  next_generation_managed_by: string
+  /**
+   * Indicates if ILM should take precedence over DSL in case both are configured to managed this data stream.
+   */
+  prefer_ilm: boolean
   /**
    * Array of objects containing information about the data stream’s backing indices.
    * The last item in this array contains information about the stream’s current write index.
@@ -111,6 +119,18 @@ export class DataStreamIndex {
    * Universally unique identifier (UUID) for the index.
    */
   index_uuid: Uuid
+  /**
+   * Name of the current ILM lifecycle policy configured for this backing index.
+   */
+  ilm_policy?: Name
+  /**
+   * Name of the lifecycle system that's currently managing this backing index.
+   */
+  managed_by: string
+  /**
+   * Indicates if ILM should take precedence over DSL in case both are configured to manage this index.
+   */
+  prefer_ilm: boolean
 }
 
 export class DataStreamVisibility {